\documentclass{standalone}
	
\usepackage[siunitx]{circuitikz}

\begin{document}

\begin{circuitikz}[scale=1., transform shape, american currents]
\draw (0,2) node[transformer core] (T) {}
(T.base) node{\scalebox{.65}{$N_1 : N_2$}};
\draw (T.A1) to[open, *-*] (T.A2);
\draw (T.B1) to[open, *-*] (T.B2);
\node[draw=none] at (-1.5,1) {inductor1};
\node[draw=none] at (1.5,1) {inductor2};
\end{circuitikz}

\end{document}
